Decompile corrupted
This commit is contained in:
Ryan Dwyer
parent
99c3ed5fcb
commit
67d754e703
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@ -189,124 +189,48 @@ s32 corrupted_init(OSPfs *pfs, __OSInodeCache *cache)
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return 0;
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}
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GLOBAL_ASM(
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glabel corrupted
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/* 4def4: 27bdffc8 */ addiu $sp,$sp,-56
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/* 4def8: afa5003c */ sw $a1,0x3c($sp)
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/* 4defc: 93b8003c */ lbu $t8,0x3c($sp)
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/* 4df00: afb40028 */ sw $s4,0x28($sp)
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/* 4df04: 93ae003d */ lbu $t6,0x3d($sp)
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/* 4df08: 0080a025 */ or $s4,$a0,$zero
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/* 4df0c: afbf0034 */ sw $ra,0x34($sp)
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/* 4df10: afb60030 */ sw $s6,0x30($sp)
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/* 4df14: afb5002c */ sw $s5,0x2c($sp)
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/* 4df18: afb30024 */ sw $s3,0x24($sp)
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/* 4df1c: afb20020 */ sw $s2,0x20($sp)
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/* 4df20: afb1001c */ sw $s1,0x1c($sp)
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/* 4df24: afb00018 */ sw $s0,0x18($sp)
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/* 4df28: 92890064 */ lbu $t1,0x64($s4)
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/* 4df2c: 00c09825 */ or $s3,$a2,$zero
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/* 4df30: 00008025 */ or $s0,$zero,$zero
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/* 4df34: 05c10003 */ bgez $t6,.L0004df44
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/* 4df38: 000e7883 */ sra $t7,$t6,0x2
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/* 4df3c: 25c10003 */ addiu $at,$t6,0x3
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/* 4df40: 00017883 */ sra $t7,$at,0x2
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.L0004df44:
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/* 4df44: 07010004 */ bgez $t8,.L0004df58
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/* 4df48: 33190007 */ andi $t9,$t8,0x7
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/* 4df4c: 13200002 */ beqz $t9,.L0004df58
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/* 4df50: 00000000 */ nop
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/* 4df54: 2739fff8 */ addiu $t9,$t9,-8
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.L0004df58:
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/* 4df58: 00194140 */ sll $t0,$t9,0x5
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/* 4df5c: 01e8b021 */ addu $s6,$t7,$t0
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/* 4df60: 19200040 */ blez $t1,.L0004e064
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/* 4df64: 00009025 */ or $s2,$zero,$zero
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/* 4df68: 00001025 */ or $v0,$zero,$zero
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/* 4df6c: 24150003 */ addiu $s5,$zero,0x3
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.L0004df70:
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/* 4df70: 18400003 */ blez $v0,.L0004df80
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/* 4df74: 93aa003c */ lbu $t2,0x3c($sp)
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/* 4df78: 10000002 */ b .L0004df84
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/* 4df7c: 24110001 */ addiu $s1,$zero,0x1
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.L0004df80:
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/* 4df80: 8e910060 */ lw $s1,0x60($s4)
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.L0004df84:
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/* 4df84: 1142000c */ beq $t2,$v0,.L0004dfb8
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/* 4df88: 02765821 */ addu $t3,$s3,$s6
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/* 4df8c: 916c0101 */ lbu $t4,0x101($t3)
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/* 4df90: 04410004 */ bgez $v0,.L0004dfa4
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/* 4df94: 304d0007 */ andi $t5,$v0,0x7
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/* 4df98: 11a00002 */ beqz $t5,.L0004dfa4
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/* 4df9c: 00000000 */ nop
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/* 4dfa0: 25adfff8 */ addiu $t5,$t5,-8
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.L0004dfa4:
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/* 4dfa4: 240e0001 */ addiu $t6,$zero,0x1
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/* 4dfa8: 01aec004 */ sllv $t8,$t6,$t5
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/* 4dfac: 0198c824 */ and $t9,$t4,$t8
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/* 4dfb0: 53200027 */ beqzl $t9,.L0004e050
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/* 4dfb4: 928b0064 */ lbu $t3,0x64($s4)
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.L0004dfb8:
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/* 4dfb8: 926f0100 */ lbu $t7,0x100($s3)
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/* 4dfbc: 02802025 */ or $a0,$s4,$zero
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/* 4dfc0: 02602825 */ or $a1,$s3,$zero
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/* 4dfc4: 11e2000a */ beq $t7,$v0,.L0004dff0
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/* 4dfc8: 00003025 */ or $a2,$zero,$zero
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/* 4dfcc: 0c01324d */ jal __osPfsRWInode
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/* 4dfd0: 324700ff */ andi $a3,$s2,0xff
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/* 4dfd4: 50400006 */ beqzl $v0,.L0004dff0
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/* 4dfd8: a2720100 */ sb $s2,0x100($s3)
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/* 4dfdc: 50550004 */ beql $v0,$s5,.L0004dff0
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/* 4dfe0: a2720100 */ sb $s2,0x100($s3)
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/* 4dfe4: 10000021 */ b .L0004e06c
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/* 4dfe8: 8fbf0034 */ lw $ra,0x34($sp)
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/* 4dfec: a2720100 */ sb $s2,0x100($s3)
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.L0004dff0:
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/* 4dff0: 2a010002 */ slti $at,$s0,0x2
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/* 4dff4: 10200010 */ beqz $at,.L0004e038
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/* 4dff8: 2a210080 */ slti $at,$s1,0x80
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/* 4dffc: 1020000e */ beqz $at,.L0004e038
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/* 4e000: 00111040 */ sll $v0,$s1,0x1
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/* 4e004: 02621821 */ addu $v1,$s3,$v0
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/* 4e008: 97a8003c */ lhu $t0,0x3c($sp)
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.L0004e00c:
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/* 4e00c: 94690000 */ lhu $t1,0x0($v1)
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/* 4e010: 24420002 */ addiu $v0,$v0,0x2
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/* 4e014: 55090003 */ bnel $t0,$t1,.L0004e024
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/* 4e018: 2a010002 */ slti $at,$s0,0x2
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/* 4e01c: 26100001 */ addiu $s0,$s0,0x1
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/* 4e020: 2a010002 */ slti $at,$s0,0x2
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.L0004e024:
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/* 4e024: 10200004 */ beqz $at,.L0004e038
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/* 4e028: 24630002 */ addiu $v1,$v1,0x2
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/* 4e02c: 28410100 */ slti $at,$v0,0x100
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/* 4e030: 5420fff6 */ bnezl $at,.L0004e00c
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/* 4e034: 97a8003c */ lhu $t0,0x3c($sp)
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.L0004e038:
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/* 4e038: 2a010002 */ slti $at,$s0,0x2
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/* 4e03c: 54200004 */ bnezl $at,.L0004e050
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/* 4e040: 928b0064 */ lbu $t3,0x64($s4)
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/* 4e044: 10000008 */ b .L0004e068
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/* 4e048: 24020002 */ addiu $v0,$zero,0x2
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/* 4e04c: 928b0064 */ lbu $t3,0x64($s4)
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.L0004e050:
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/* 4e050: 26520001 */ addiu $s2,$s2,0x1
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/* 4e054: 324200ff */ andi $v0,$s2,0xff
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/* 4e058: 004b082a */ slt $at,$v0,$t3
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/* 4e05c: 1420ffc4 */ bnez $at,.L0004df70
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/* 4e060: 00409025 */ or $s2,$v0,$zero
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.L0004e064:
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/* 4e064: 02001025 */ or $v0,$s0,$zero
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.L0004e068:
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/* 4e068: 8fbf0034 */ lw $ra,0x34($sp)
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.L0004e06c:
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/* 4e06c: 8fb00018 */ lw $s0,0x18($sp)
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/* 4e070: 8fb1001c */ lw $s1,0x1c($sp)
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/* 4e074: 8fb20020 */ lw $s2,0x20($sp)
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/* 4e078: 8fb30024 */ lw $s3,0x24($sp)
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/* 4e07c: 8fb40028 */ lw $s4,0x28($sp)
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/* 4e080: 8fb5002c */ lw $s5,0x2c($sp)
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/* 4e084: 8fb60030 */ lw $s6,0x30($sp)
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/* 4e088: 03e00008 */ jr $ra
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/* 4e08c: 27bd0038 */ addiu $sp,$sp,0x38
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);
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s32 corrupted(OSPfs *pfs, __OSInodeUnit fpage, __OSInodeCache *cache)
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{
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int j;
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int n;
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int hit;
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u8 bank;
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int offset;
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s32 ret;
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hit = 0;
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ret = 0;
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n = (fpage.inode_t.page / 4) + (fpage.inode_t.bank % 8) * BLOCKSIZE;
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for (bank = 0; bank < pfs->banks; bank++) {
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if (bank > 0) {
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offset = 1;
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} else {
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offset = pfs->inode_start_page;
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}
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if (bank == fpage.inode_t.bank || cache->map[n] & (1 << (bank % 8))) {
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if (bank != cache->bank) {
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ret = __osPfsRWInode(pfs, &cache->inode, 0, bank);
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if (ret != 0 && ret != PFS_ERR_INCONSISTENT) {
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return ret;
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}
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cache->bank = bank;
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}
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for (j = offset; hit < 2 && (j < ARRLEN(cache->inode.inode_page)); j++) {
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if (cache->inode.inode_page[j].ipage == fpage.ipage) {
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hit++;
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}
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}
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if (1 < hit) {
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return PFS_ERR_NEW_PACK;
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}
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}
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}
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return hit;
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}
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